Pause the game, then hold L1 + R1 (in order) and quickly press Right, Down, Left, Up. If you entered the code correctly, you will hear a sound.

Full Master Mode gauge

Pause the game, then hold L1 + R1 (in order) and quickly press Left, Down, Right, Up. If you entered the code correctly, you will hear a sound.

Health drops to 1 point

Pause the game, then hold L2 + R2 (in order) and quickly press Down, Up, Right, Left, Down, Up. If you entered the code correctly, you will hear a sound.

Master Mode gauge drops to 1 point

Pause the game, then hold L2 + R2 (in order) and quickly press Right, Left, Right, Left, Down(2). If you entered the code correctly, you will hear a sound.

Enemies shoot faster

Pause the game, then hold L2 + R2 (in order) and quickly press Right, Down, Left, Up. If you entered the code correctly, you will hear a sound.

Hidden package art

Take the game's cover art out from the case and turn it over to see an alternate version.

Blocking bullets

While enemies are shooting, you can block the bullets better by tapping R1 or Circle repeatedly until you are ready to make a move on them.

Defeating Jean

In your first Boss battle with Jean on stage 3, run and hide behind the stagecoach. Jean will run up to it on the other side. He will try to shoot you but cannot; however you can still hit him. Keep swinging your sword and it will go through the stagecoach and hit Jean. Keep this up until he is dead. If done correctly, you should not lose any health.

Defeating Rando

Use a low stance weapon and keep deflecting his bullets back at him with Circle.

Hard mode

Successfully complete the first sixteen stages on the normal difficulty setting to unlock the hard difficulty setting.

Insane mode

Successfully complete the first sixteen stages on the hard difficulty setting to unlock the insane difficulty setting.

Survival mode

Successfully complete the first sixteen stages on the insane difficulty setting to unlock Survival mode.

Play as Cow Girl Anne

Successfully complete survival mode two or more times to unlock Cow Girl Anne.

Play as Way Of The Samurai 1 and 2

Successfully complete all stages (including the extra stages) on the super hard difficulty setting to unlock Way Of The Samurai 1 and 2.

Hidden bonus characters

Find the wanted posters in the following stages to unlock the corresponding character: